Shenzhen Yukan Technology Co., Ltd. was established in 2017. It is a high-tech company specializing in R&D, production and sales of various innovative products. Successfully launched an epoch-making product with global invention patents-IUOC heating non-combustion electronic cigarette smoker. IUOC, the whole cigarette is inserted without any additives, and it can be smoked through internal heating. When smoking, the temperature of the tobacco reaches about 350℃, and the nicotine and tobacco flavor with a mellow taste are extracted, and tar and solid harmful substances are not produced. No open flame, no tar, no soot, no dust. The smoking time of a cigarette is 3 minutes and 35 seconds, and the smoke continues to be uniform.